ArchitectAleksey GornostaevRussian architect (1808–1862), 1808–1862Photograph of one of their buildings · Ralf Roletschek (talk) - Fahrradtechnik auf fahrradmonteur.de · FAL · Wikimedia Commons1 buildingsRussian EmpireFurther readingWikipedia article↗BuildingsUspenski CathedralHelsinki, Finland